As of April 4, 2020, we have fresh material and are shipping domestically and internationally.


FAA approved replacements for GE Momentive /Dow Corning Silicone RTVs.


AS157: Fast Cure Silicone RTV Adhesive

AS157 is a high strength, acetoxy silicone RTV adhesive developed for applications requiring fast development of physical properties and excellent adhesion. This is an FAA-approved PMA replacement for GE Momentive GE157 and Dow Corning DC732. Learn more below or get a quote today.

When cured, this one part, high-temperature silicone resists weathering, ozone, moisture, and UV and works well in manual and automatic dispensing equipment.

Eligible Manufacturers per FAA PMA Supplement PQ3886CE/ 3*

  • AS157 Airbus, Boeing, Bombardier, Cessna, CFM International, Dowty Propellers, Fokker Services B.V., GE, Hamilton Sundstrand Corp, Honeywell, McDonnell Douglas, Pratt & Whitney, Rolls-Royce
*See PMA Approval Materials under Product Guides

Conforms to MIL-A-46106 Type I Group III

Packaging: Available in 2.8oz, 5.4oz., and NO 10.3oz.

Technical Data:  *
  • Cure Profile:
  • Application Life (mins): 4
  • Tack Free Time (mins): 12
  • Cure Time (mins): 250
Shelf Life: 1 year | Consistency: Paste | Color: Translucent

*Please consult the technical data sheet for specificities of environmental conditions that yielded the above data. Standard cure rates are based on industry curing standards.
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Technical Data Sheets (TDS)

Safety Data Sheet (SDS)

NSL Product Guides

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